Added a new form to allow the user to manage naming patterns.

DataOrganizer/DB.cs

@@ -328,6 +328,32 @@ namespace DataOrganizer
             return conventions;
         }
 
+        public Namingconvention GetNamingConventionByName(string name)
+        {
+            var query = @"SELECT name, example_text, pattern_id, regex FROM main.naming_pattern WHERE name = @Name";
+
+            using (var connection = new SqliteConnection(ConnectionString))
+            {
+                using (var command = new SqliteCommand(query, connection))
+                {
+                    command.Parameters.AddWithValue("Name", name);
+                    connection.Open();
+
+                    var reader = command.ExecuteReader();
+
+                    reader.Read();
+
+                    return new Namingconvention
+                    {
+                        Regex = reader["regex"].ToString(),
+                        Name = reader["name"].ToString(),
+                        ExampleText = reader["example_text"].ToString(),
+                        Id = Convert.ToInt32(reader["pattern_id"])
+                    };
+                }
+            }
+        }
+
         public string GetNamingPatternById(int id)
         {
             if (id == 0) return string.Empty;
@@ -350,6 +376,32 @@ namespace DataOrganizer
             }
         }
 
+        public void DeleteNamingConvention(int id)
+        {
+            var query = @"UPDATE main.file SET pattern_override_id = 0 WHERE pattern_override_id = @ID";//@"DELETE FROM main.naming_pattern WHERE pattern_id = @Id";
+
+            using (var connection = new SqliteConnection(ConnectionString))
+            {
+                connection.Open();
+                using (var transaction = connection.BeginTransaction())
+                {
+                    using (var command = new SqliteCommand(query, connection, transaction))
+                    {
+                        command.Parameters.AddWithValue("ID", id);
+                        command.ExecuteNonQuery();
+
+                        query = @"UPDATE main.folder_root SET pattern_id = 0 WHERE pattern_id = @ID";
+                        command.ExecuteNonQuery();
+
+                        query = @"DELETE FROM main.naming_pattern WHERE pattern_id = @ID";
+                        command.ExecuteNonQuery();
+                    }
+
+                    transaction.Commit();
+                }
+            }
+        }
+
         public string GetRootPathById(int id)
         {
             var query = @"SELECT path FROM folder_root WHERE root_id = @ID";